19580596

素因数分解:

$2^2\times 7^2\times {\mathrm{99901}}^1$

素因数の和:99919

約数の個数: 18

約数和(自身を含む): 39860898

約数和(自身を除く): 20280302

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 99901, 199802, 399604, 699307, 1398614, 2797228, 4895149, 9790298, 19580596]

約数ペア:

[(1, 19580596), (2, 9790298), (4, 4895149), (7, 2797228), (14, 1398614), (28, 699307), (49, 399604), (98, 199802), (196, 99901)]